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Finding the Fourth Proportional to 103,352.10, 154,991.70 and 36,794.40

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Solution

The fourth proportional to 103,352.10, 154,991.70 and 36,794.40 is: 55,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,352.10 : 154,991.70 = 36,794.40 : x
  2. Step 2: Convert to fraction form
    103,352.10/154,991.70 = 36,794.40/x
  3. Step 3: Cross multiply
    103,352.10x = 154,991.70 × 36,794.40
  4. Step 4: Simplify right side
    103,352.10x = 5,702,826,606.48
  5. Step 5: Solve for x
    x = 5,702,826,606.48/103,352.10
  6. Step 6: Final answer
    x = 55,178.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.